Steam achievements:
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Complete the following tasks to unlock the corresponding achievement. To view
your achievements and stats in Steam, select "Community", then "My profile",
then "View all my games", then the game and view stats.

Achievement How to unlock
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BOMBALICIOUS! - Take out 15 monsters with a single bomb!
CONQUEROR - Complete all quests!
FASTER THAN LIGHT - Clear the story mode in 3:30 minutes or less!
KNIGHT OF THE ROUND TABLE - Buy everything in the shop!
SKY'S THE LIMIT - Reach 100,000 meters in Survival mode!
VANQUISHER OF EVIL - Defeat the evil being beyond the locked ceiling!